/*-------------------------------------------------------------------------
 *
 * dbasedesc.c
 *      rmgr descriptor routines for commands/dbcommands.c
 *
 * Portions Copyright (c) 1996-2017, PostgreSQL Global Development Group
 * Portions Copyright (c) 1994, Regents of the University of California
 *
 *
 * IDENTIFICATION
 *      src/backend/access/rmgrdesc/dbasedesc.c
 *
 *-------------------------------------------------------------------------
 */
#include "postgres.h"

#include "commands/dbcommands_xlog.h"
#include "lib/stringinfo.h"


void
dbase_desc(StringInfo buf, XLogReaderState *record)
{
    char       *rec = XLogRecGetData(record);
    uint8        info = XLogRecGetInfo(record) & ~XLR_INFO_MASK;

    if (info == XLOG_DBASE_CREATE)
    {
        xl_dbase_create_rec *xlrec = (xl_dbase_create_rec *) rec;

        appendStringInfo(buf, "copy dir %u/%u to %u/%u",
                         xlrec->src_db_id, xlrec->src_tablespace_id,
                         xlrec->db_id, xlrec->tablespace_id);
    }
    else if (info == XLOG_DBASE_DROP)
    {
        xl_dbase_drop_rec *xlrec = (xl_dbase_drop_rec *) rec;

        appendStringInfo(buf, "dir %u/%u",
                         xlrec->db_id, xlrec->tablespace_id);
    }
}

const char *
dbase_identify(uint8 info)
{
    const char *id = NULL;

    switch (info & ~XLR_INFO_MASK)
    {
        case XLOG_DBASE_CREATE:
            id = "CREATE";
            break;
        case XLOG_DBASE_DROP:
            id = "DROP";
            break;
    }

    return id;
}
